A203403 Number of (n+2)X6 binary arrays avoiding patterns 000 and 111 in rows and columns

4374, 46746, 408432, 3858082, 35345798, 327725888, 3024430930, 27962750194, 258345914196, 2387518651034, 22061941665806, 203872962398440, 1883944523165954, 17409227897045550, 160875446788528448

Offset

1,1

Comments

Column 4 of A203407

Links

R. H. Hardin, Table of n, a(n) for n = 1..210

Example

Some solutions for n=2
..0..1..0..1..0..1....0..1..0..1..0..0....1..0..1..0..1..0....1..1..0..1..0..1
..0..1..1..0..1..0....0..1..0..0..1..0....0..0..1..0..1..1....1..0..0..1..1..0
..1..0..0..1..0..1....1..0..1..0..0..1....1..1..0..1..0..0....0..1..1..0..0..1
..1..0..0..1..0..1....1..0..1..1..0..0....0..1..0..1..1..0....1..0..1..1..0..0

Crossrefs

Sequence in context: A028511 A101558 A163583 * A206148 A230523 A375622

Adjacent sequences: A203400 A203401 A203402 * A203404 A203405 A203406

Keyword

nonn

Author

R. H. Hardin Jan 01 2012

Status

approved